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Finding the Fourth Proportional to 6,866.87, 9,476.81 and 3,883.04

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Solution

The fourth proportional to 6,866.87, 9,476.81 and 3,883.04 is: 5,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.87 : 9,476.81 = 3,883.04 : x
  2. Step 2: Convert to fraction form
    6,866.87/9,476.81 = 3,883.04/x
  3. Step 3: Cross multiply
    6,866.87x = 9,476.81 × 3,883.04
  4. Step 4: Simplify right side
    6,866.87x = 36,798,765.50
  5. Step 5: Solve for x
    x = 36,798,765.50/6,866.87
  6. Step 6: Final answer
    x = 5,358.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.